# Random Number Generator X vs Oitayo

The clearest difference is ads: Oitayo at none against Random Number Generator X's shown. Oitayo also leads on update cadence (every 2 days vs every 6 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Random Number Generator X sells 1 one-off in-app purchase and Oitayo sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Random Number Generator X ships an update every 6 weeks, Oitayo every 2 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Random Number Generator X | Oitayo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/random-number-generator-x/id6471918556/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 7 MB | 1 MB |
| Requires iOS | **16.1** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yuki Yamagishi](https://appshunter.io/developer/1516430576) | [合同会社JProduct](https://appshunter.io/developer/1887137543) |

## What reviewers say

### Random Number Generator X

[App page](https://appshunter.io/ios/app/random-number-generator-x/id6471918556)

Generate random numbers easily with a simple tap. Set your desired range and get instant random numbers. Keep track of generated numbers in history and control duplicate generation.

**Highlights:** Tap to generate random numbers, Set custom number ranges, History of generated numbers, Toggle duplicate generation, Simple and intuitive interface, Completely free to use

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide Ads and Unlock Themes | $2.99 | one-time |


### Oitayo

[App page](https://appshunter.io/ios/app/oitayo/id6793178359)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $1.99 | per month |
| 買い切り | $6.99 | one-time |


## Frequently asked questions

### Is Random Number Generator X free?

Random Number Generator X is free to download, with in-app purchases available.

### Is Oitayo free?

Oitayo is free to download, with in-app purchases available.

### Do Random Number Generator X or Oitayo have ads?

Random Number Generator X shows ads; Oitayo does not.

### Which is updated more often, Random Number Generator X or Oitayo?

Random Number Generator X ships an update every 6 weeks, and Oitayo every 2 days. Most recently, Random Number Generator X was updated on November 4, 2026 and Oitayo on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*